Electronics Forum: tenting vias (Page 1 of 15)

via tenting and pluging

Electronics Forum | Fri Nov 03 02:32:56 EST 2006 | shivam

HI ALL, can anybody clear me what is via tenting and via pluging?? second one, if i use via in pad for an.5mm bga what care i should taken, what should be the soldermask open in top and innerlayers for via?how it will directly connect to top layer

via tenting and pluging

Electronics Forum | Fri Nov 03 07:28:27 EST 2006 | davef

Via filling methods are: * Tenting * Plugging * Capping * Flooding Tented Via. A via covered with dry film soldermask; the via is not filled. When tenting from both sides there may be issues with trapped air that expands during mass soldering. Plug

Cracked vias

Electronics Forum | Sun Dec 15 22:31:43 EST 2002 | craigj

Has anyone heard of vias cracking (barrel from pad) when being wave soldered. Was told this was a big problem by contract pcb designer, he always tent vias because of this. The reason was that the solder filling the vias caused stressing and then sep

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 09:47:41 EDT 1999 | Peter Brant

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. WIth regards to this question, and scott's follow up, I have used the "epoxy me

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 10:25:13 EDT 1999 | John Thorup

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. John, It depends......mainly on the via size. Tenting works on smaller vi

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 00:28:59 EDT 1999 | Scott Cook

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. John, It depends......mainly on the via size. Tenting works on smaller vias. Tent

2 questions: via tenting and annular ring terminology.

Electronics Forum | Tue Jul 06 19:38:01 EDT 1999 | John

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. Q #2) When speaking of annular rings, I have always thought of them as minimums. Su

Tenting of vias

Electronics Forum | Tue Aug 18 10:18:22 EDT 1998 | Dave Hulbert

I have a question on tenting of vias on PWB's. I have designed a 6 >layer, military, mixed components (all on top side), LPI soldermask >board which will be run over the wave. I was planning on tenting vias >but did not specifically specify that on f

Re: Tenting of vias

Electronics Forum | Mon Aug 31 14:03:41 EDT 1998 | Bill Childs

I have a question on tenting of vias on PWB's. I have designed a 6 >layer, military, mixed components (all on top side), LPI soldermask >board which will be run over the wave. I was planning on tenting vias >but did not specifically specify tha

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 13:41:42 EDT 1999 | Dave F

snip If you go for plugging be sure you have a protrusion spec that you can live with. This often results in little bumps of epoxy that can interfere with component placement. For us, tenting .015 vias usually gets us about 80% coverage from

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